Biological Assembly 1  

 3D View: Structure

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 7-mer - A1B1C1D1E1F1G1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 184.36 kDa 
• Atom Count: 9434 
• Residue Count: 1195 
• Unique protein chains: 7

6E3Y

Cryo-EM structure of the active, Gs-protein complexed, human CGRP receptor

• DOI: 10.2210/pdb6E3Y/pdb
• EMDataResource: EMD-8978

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens, Lama glama
• Expression System: Escherichia coli, Trichoplusia ni
• Mutation(s): Yes 


• Deposited: 2018-07-16 Released: 2018-09-19 
• Deposition Author(s): Liang, Y.L., Khoshouei, M., Deganutti, G., Glukhova, A., Koole, C., Peat, T.S., Radjainia, M., Plitzko, J.M., Baumeister, W., Miller, L.J., Hay, D.L., Christopoulos, A., Reynolds, C.A., Wootten, D., Sexton, P.M.
• Funding Organization(s): National Health and Medical Research Council (NHMRC, Australia)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of the active, Gs-protein complexed, human CGRP receptor.

Liang, Y.L., Khoshouei, M., Deganutti, G., Glukhova, A., Koole, C., Peat, T.S., Radjainia, M., Plitzko, J.M., Baumeister, W., Miller, L.J., Hay, D.L., Christopoulos, A., Reynolds, C.A., Wootten, D., Sexton, P.M.

(2018) Nature 561: 492-497

• PubMed: 30209400 
• DOI: 10.1038/s41586-018-0535-y
• Primary Citation of Related Structures:  
  6E3Y


• PubMed Abstract: 
  

Calcitonin gene-related peptide (CGRP) is a widely expressed neuropeptide that has a major role in sensory neurotransmission. The CGRP receptor is a heterodimer of the calcitonin receptor-like receptor (CLR) class B G-protein-coupled receptor and a type 1 transmembrane domain protein, receptor activity-modifying protein 1 (RAMP1). Here we report the structure of the human CGRP receptor in complex with CGRP and the G _s -protein heterotrimer at 3.3 Å global resolution, determined by Volta phase-plate cryo-electron microscopy. The receptor activity-modifying protein transmembrane domain sits at the interface between transmembrane domains 3, 4 and 5 of CLR, and stabilizes CLR extracellular loop 2. RAMP1 makes only limited direct contact with CGRP, consistent with its function in allosteric modulation of CLR. Molecular dynamics simulations indicate that RAMP1 provides stability to the receptor complex, particularly in the positioning of the extracellular domain of CLR. This work provides insights into the control of G-protein-coupled receptor function.

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Organizational Affiliation: 

School of Pharmacy, Fudan University, Shanghai, China. [e-mail].

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calcitonin gene-related peptide 1	P	38	Homo sapiens	Mutation(s): 1  Gene Names: CALCA, CALC1
Membrane protein Mpstruc	Group:  TRANSMEMBRANE PROTEINS: ALPHA-HELICAL		Sub Group:  G Protein-Coupled Receptors (GPCRs): Class B	Protein:  Class B GPCR: Calcitonin receptor-heterotrimeric Gs bound to endogenous peptide and canonical transducer
Find proteins for P06881 (Homo sapiens) Explore P06881  Go to UniProtKB:  P06881
NIH Common Fund Data Resources
PHAROS  P06881

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Nanobody 35	N	138	Lama glama	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(s) subunit alpha isoforms short	A	394	Homo sapiens	Mutation(s): 8  Gene Names: GNAS, GNAS1, GSP
Membrane protein Mpstruc	Group:  TRANSMEMBRANE PROTEINS: ALPHA-HELICAL		Sub Group:  G Protein-Coupled Receptors (GPCRs): Class B	Protein:  Class B GPCR: Calcitonin receptor-heterotrimeric Gs bound to endogenous peptide and canonical transducer
Find proteins for P63092 (Homo sapiens) Explore P63092  Go to UniProtKB:  P63092
NIH Common Fund Data Resources
PHAROS  P63092

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1	B	350	Homo sapiens	Mutation(s): 0  Gene Names: GNB1
Find proteins for P62873 (Homo sapiens) Explore P62873  Go to UniProtKB:  P62873
NIH Common Fund Data Resources
PHAROS  P62873 GTEx  ENSG00000078369

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2	G	71	Homo sapiens	Mutation(s): 0  Gene Names: GNG2
Membrane protein Mpstruc	Group:  TRANSMEMBRANE PROTEINS: ALPHA-HELICAL		Sub Group:  G Protein-Coupled Receptors (GPCRs): Class B	Protein:  Class B GPCR: Calcitonin receptor-heterotrimeric Gs bound to endogenous peptide and canonical transducer
Find proteins for P59768 (Homo sapiens) Explore P59768  Go to UniProtKB:  P59768
NIH Common Fund Data Resources
PHAROS  P59768 GTEx  ENSG00000186469

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Calcitonin gene-related peptide type 1 receptor	R	490	Homo sapiens	Mutation(s): 0  Gene Names: CALCRL, CGRPR
Membrane protein Mpstruc	Group:  TRANSMEMBRANE PROTEINS: ALPHA-HELICAL		Sub Group:  G Protein-Coupled Receptors (GPCRs): Class B	Protein:  Class B GPCR: Calcitonin receptor-heterotrimeric Gs bound to endogenous peptide and canonical transducer
Find proteins for Q16602 (Homo sapiens) Explore Q16602  Go to UniProtKB:  Q16602
NIH Common Fund Data Resources
PHAROS  Q16602 GTEx  ENSG00000064989

Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
Receptor activity-modifying protein 1	E	149	Homo sapiens	Mutation(s): 0  Gene Names: RAMP1
Membrane protein Mpstruc	Group:  TRANSMEMBRANE PROTEINS: ALPHA-HELICAL		Sub Group:  G Protein-Coupled Receptors (GPCRs): Class B	Protein:  Class B GPCR: Calcitonin receptor-heterotrimeric Gs bound to endogenous peptide and canonical transducer
Find proteins for O60894 (Homo sapiens) Explore O60894  Go to UniProtKB:  O60894
NIH Common Fund Data Resources
PHAROS  O60894 GTEx  ENSG00000132329

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Deposited Date: 2018-07-16 
• Released Date: 2018-09-19 
Deposition Author(s): Liang, Y.L., Khoshouei, M., Deganutti, G., Glukhova, A., Koole, C., Peat, T.S., Radjainia, M., Plitzko, J.M., Baumeister, W., Miller, L.J., Hay, D.L., Christopoulos, A., Reynolds, C.A., Wootten, D., Sexton, P.M.

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Funding Organization	Location	Grant Number
National Health and Medical Research Council (NHMRC, Australia)	Australia	1120919
National Health and Medical Research Council (NHMRC, Australia)	Australia	1055134

Revision History 

• Version 1.0: 2018-09-19
  Type: Initial release
  
• Version 1.1: 2018-09-26
  Changes: Data collection, Database references
• Version 1.2: 2018-10-10
  Changes: Data collection, Database references, Structure summary
• Version 1.3: 2020-01-15
  Changes: Author supporting evidence, Structure summary